Copyright ©1995 by NeXT Computer, Inc.  All Rights Reserved.

Types and Constants

Defined Types

NXSoundDeviceError typedef enum _NXSoundDeviceError { NX_SoundDeviceErrorNone = 0, NX_SoundDeviceErrorKernel = NX_SOUNDDEVICE_ERROR_MIN, NX_SoundDeviceErrorTimeout, NX_SoundDeviceErrorLookUp, NX_SoundDeviceErrorHost, NX_SoundDeviceErrorNoDevice, NX_SoundDeviceErrorNotActive, NX_SoundDeviceErrorTag, NX_SoundDeviceErrorMax = NX_SOUNDDEVICE_ERROR_MAX } NXSoundDeviceError NXSoundStatus typedef enum { NX_SoundStopped, NX_SoundRecording, NX_SoundPlaying, NX_SoundInitialized, NX_SoundRecordingPaused, NX_SoundPlayingPaused, NX_SoundRecordingPending, NX_SoundPlayingPending, NX_SoundFreed = 1, } NXSoundStatus; NXSoundStreamTime typedef struct timeval NXSoundStreamTime; SNDCompressionSubheader typedef struct { int originalSize int method; int numDropped; int encodeLength; } SNDCompressionSubheader; SNDError typedef enum { SND_ERR_NONE, SND_ERR_NOT_SOUND, SND_ERR_BAD_FORMAT, SND_ERR_BAD_RATE SND_ERR_BAD_CHANNEL, SND_ERR_BAD_SIZE SND_ERR_BAD_FILENAME, SND_ERR_CANNOT_OPEN, SND_ERR_CANNOT_WRITE, SND_ERR_CANNOT_READ, SND_ERR_CANNOT_ALLOC, SND_ERR_CANNOT_FREE, SND_ERR_CANNOT_COPY, SND_ERR_CANNOT_RESERVE, SND_ERR_NOT_RESERVED, SND_ERR_CANNOT_RECORD, SND_ERR_ALREADY_RECORDING, SND_ERR_NOT_RECORDING, SND_ERR_CANNOT_PLAY, SND_ERR_ALREADY_PLAYING, SND_ERR_NOT_IMPLEMENTED, SND_ERR_NOT_PLAYING, SND_ERR_CANNOT_FIND, SND_ERR_CANNOT_EDIT, SND_ERR_BAD_SPACE SND_ERR_KERNEL, SND_ERR_BAD_CONFIGURATION, SND_ERR_CANNOT_CONFIGURE, SND_ERR_UNDERRUN, SND_ERR_ABORTED, SND_ERR_BAD_TAG, SND_ERR_CANNOT_ACCESS, SND_ERR_TIMEOUT, SND_ERR_BUSY, SND_ERR_CANNOT_ABORT, SND_ERR_INFO_TOO_BIG, SND_ERR_UNKNOWN, } SNDError; SNDNotificationFun typedef int (*SNDNotificationFun) (SNDSoundStruct *s, int tag, int err); SNDSoundStruct typedef struct { int magic; int dataLocation; int dataSize; int dataFormat; int samplingRate; int channelCount; char info[4]; } SNDSoundStruct; snddriver_handlers typedef struct snddriver_handlers { void *arg; int timeout; sndreply_tagged_t started; sndreply_tagged_t completed; sndreply_tagged_t aborted; sndreply_tagged_t paused; sndreply_tagged_t resumed; sndreply_tagged_t overflow; sndreply_recorded_data_t recorded_data; sndreply_dsp_cond_true_t condition_true; sndreply_dsp_msg_t dsp_message; sndreply_dsp_msg_t dsp_error; } snddriver_handlers_t; sndreply_dsp_cond_true_t typedef void (*sndreply_dsp_cond_true_t) (void *arg, unsigned int mask, unsigned int flags, unsigned int regs); sndreply_dsp_msg_t typedef void (*sndreply_dsp_msg_t) (void *arg, int data, int size); sndreply_recorded_data_t typedef void (*sndreply_recorded_data_t) (void *arg, int tag, void *data, int size); sndreply_tagged_t typedef void (*sndreply_tagged_t) (void *arg, int tag);

Symbolic Constants

ATC Frame Size ATC_FRAME_SIZE Compression Formats SND_CFORMAT_BITS_DROPPED SND_CFORMAT_BIT_FAITHFUL SND_CFORMAT_ATC DSP Host Commands SNDDRIVER_DSP_HC_HOST_RD SNDDRIVER_DSP_HC_HOST_WD SNDDRIVER_DSP_HC_SYS_CALL DSP Protocol Options SNDDRIVER_DSP_PROTO_DSPERR SNDDRIVER_DSP_PROTO_C_DMA SNDDRIVER_DSP_PROTO_S_DMA SNDDRIVER_DSP_PROTO_HFABORT SNDDRIVER_DSP_PROTO_DSPMSG SNDDRIVER_DSP_PROTO_RAW Executable File Segment Name NX_SOUND_SEGMENT_NAME Null Notification Function SND_NULL_FUN

	Sound Devices	Devices
	SND_ACCESS_IN	Sound-in
	SND_ACCESS_DSP	DSP
	SND_ACCESS_OUT	Sound-out
	Sampling Rates	Rates
	SND_RATE_CODEC	8012.8210513 Hz
	SND_RATE_LOW	22050.0 Hz
	SND_RATE_HIGH	44100.0 Hz

Sound Device Timeout Limit NX_SOUNDDEVICE_TIMEOUT_MAX Sound Device Error Code Limits NX_SOUNDDEVICE_ERROR_MIN NX_SOUNDDEVICE_ERROR_MAX Sound Stream Control Codes SNDDRIVER_AWAIT_STREAM SNDDRIVER_ABORT_STREAM SNDDRIVER_PAUSE_STREAM SNDDRIVER_RESUME_STREAM Sound Stream Null Time NXSOUNDSTREAM_TIME_NULL Sound Stream Path Codes SNDDRIVER_STREAM_FROM_SNDIN SNDDRIVER_STREAM_TO_SNDOUT_22 SNDDRIVER_STREAM_TO_SNDOUT_44 SNDDRIVER_STREAM_FROM_DSP SNDDRIVER_STREAM_TO_DSP SNDDRIVER_STREAM_DSP_TO_SNDOUT_22 SNDDRIVER_STREAM_DSP_TO_SNDOUT_44 SNDDRIVER_STREAM_THROUGH_DSP_TO_SNDOUT_22 SNDDRIVER_STREAM_THROUGH_DSP_TO_SNDOUT_44 SNDDRIVER_DMA_STREAM_TO_DSP SNDDRIVER_DMA_STREAM_FROM_DSP SNDDRIVER_DMA_STREAM_THROUGH_DSP_TO_SNDOUT_22 SNDDRIVER_DMA_STREAM_THROUGH_DSP_TO_SNDOUT_44 Sound Structure Formats SND_FORMAT_UNSPECIFIED SND_FORMAT_MULAW_8 SND_FORMAT_LINEAR_8 SND_FORMAT_LINEAR_16 SND_FORMAT_LINEAR_24 SND_FORMAT_LINEAR_32 SND_FORMAT_FLOAT SND_FORMAT_DOUBLE SND_FORMAT_INDIRECT SND_FORMAT_DSP_CORE SND_FORMAT_DSP_DATA_8 SND_FORMAT_DSP_DATA_16 SND_FORMAT_DSP_DATA_24 SND_FORMAT_DSP_DATA_32 SND_FORMAT_DISPLAY SND_FORMAT_MULAW_SQUELCH SND_FORMAT_EMPHASIZED SND_FORMAT_COMPRESSED SND_FORMAT_COMPRESSED_EMPHASIZED SND_FORMAT_DSP_COMMANDS Sound Structure Magic Number SND_MAGIC SoundView Display Modes NX_SOUNDVIEW_MINMAX NX_SOUNDVIEW_WAVE

Global Variables

NXSoundPboardType extern NXAtom NXSoundPboardType;